feat: code quality audit + autoresearch integration + infra hardening (#150)

.pre-commit-config.yaml

@@ -51,12 +51,12 @@ repos:
         exclude: ^tests/
         stages: [manual]
 
-  # Full test suite with 30-second wall-clock limit.
-  # Current baseline: ~18s. If tests get slow, this blocks the commit.
+  # Unit tests only with 30-second wall-clock limit.
+  # Runs only fast unit tests on commit; full suite runs in CI.
   - repo: local
     hooks:
       - id: pytest-fast
-        name: pytest (30s limit)
+        name: pytest unit (30s limit)
         entry: timeout 30 poetry run pytest
         language: system
         types: [python]
@@ -68,4 +68,8 @@ repos:
           - -q
           - --tb=short
           - --timeout=10
+          - -m
+          - unit
+          - -p
+          - no:xdist
         verbose: true